diff --git a/admin/src/components/material/hook.ts b/admin/src/components/material/hook.ts
index 79fd1646..5ff9a2e3 100644
--- a/admin/src/components/material/hook.ts
+++ b/admin/src/components/material/hook.ts
@@ -20,7 +20,7 @@ export function useCate(type: number) {
     const cateLists = ref<any[]>([])
 
     // 选中的分组id
-    const cateId = ref('')
+    const cateId = ref<number | string>('')
 
     // 获取分组列表
     const getCateLists = async () => {
@@ -39,6 +39,9 @@ export function useCate(type: number) {
         ]
         cateLists.value = data
         cateLists.value.unshift(...item)
+        setTimeout(() => {
+            treeRef.value?.setCurrentKey(cateId.value)
+        }, 0)
     }
 
     // 添加分组
@@ -66,6 +69,7 @@ export function useCate(type: number) {
     const handleDeleteCate = async (id: number) => {
         await feedback.confirm('确定要删除？')
         await fileCateDelete({ id })
+        cateId.value = ''
         getCateLists()
     }
 
@@ -87,7 +91,12 @@ export function useCate(type: number) {
 }
 
 // 处理文件的钩子函数
-export function useFile(cateId: Ref<string>, type: Ref<number>, limit: Ref<number>, size: number) {
+export function useFile(
+    cateId: Ref<string | number>,
+    type: Ref<number>,
+    limit: Ref<number>,
+    size: number
+) {
     const tableRef = shallowRef()
     const listShowType = ref('normal')
     const moveId = ref(0)